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W
XXX
Family Descriptor
15, 45 = Serial flash memory for data storage55 = Serial flash memory for voice messages storage25 = SPI Serial flash memory for voice, text and data storage25B = SPI Serial flash memory with Boot block parameter sectors25X = SPI Serial Flash Memory with 4kB sectors, Dual outputs
P = PLCC32Z = SON8S, SN = SOIC8SF, F = SOIC16, 300mil
X
Temperature Range
I = Industrial (-40°C to 85°C)
XX
Special Option
Blank = Standard packageG = Green package (Lead-free, RoHS compliant)
Note: Part number description table describes usual part-numbering system for more chips, therefore this table can contain information, that might not be valid for the actually selected chip. The information here are provided on the best-effort basis and might be either inaccurate or incoplete. Therefore always check the latest datasheet of the chip for part number description detail. If you find some inaccuracy, let us please know.
